public class Sony extends TV
{
    @Override
    public void on()
    {
        System.out.println("Sony.on()");
    }

    @Override
    public void off()
    {
        System.out.println("Sony.off()");
    }

    @Override
    public void tuneChannel()
    {
        System.out.println("Sony.tuneChannel()");
    }
}
